mirror of
https://github.com/google/cpu_features.git
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[NFC] Add bazel support to cpu_features (#222)
This commit is contained in:
Guillaume Chatelet
committed by
GitHub
GitHub
parent
5f5e6d620f
commit
e38dc6d2a8
6
.gitignore
vendored
6
.gitignore
vendored
@ -11,3 +11,9 @@ out/
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.vscode/
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.vs/
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*.swp
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# Bazel artifacts
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**/bazel-*
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# Per-user bazelrc files
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user.bazelrc
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320
BUILD.bazel
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320
BUILD.bazel
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@ -0,0 +1,320 @@
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# cpu_features, a cross platform C99 library to get cpu features at runtime.
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load("@bazel_skylib//lib:selects.bzl", "selects")
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load("//:bazel/platforms.bzl", "PLATFORM_CPU_ARM", "PLATFORM_CPU_ARM64", "PLATFORM_CPU_MIPS", "PLATFORM_CPU_PPC", "PLATFORM_CPU_X86_64")
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package(
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default_visibility = ["//visibility:public"],
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licenses = ["notice"],
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)
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exports_files(["LICENSE"])
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CC_FLAGS = [
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"-Iinclude",
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]
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C99_FLAGS = CC_FLAGS + [
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"-std=c99",
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"-Wall",
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"-Wextra",
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"-Wmissing-declarations",
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"-Wmissing-prototypes",
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"-Wno-implicit-fallthrough",
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"-Wno-unused-function",
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"-Wold-style-definition",
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"-Wshadow",
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"-Wsign-compare",
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"-Wstrict-prototypes",
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]
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cc_library(
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name = "cpu_features_macros",
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hdrs = ["include/cpu_features_macros.h"],
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copts = C99_FLAGS,
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)
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cc_library(
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name = "cpu_features_cache_info",
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hdrs = ["include/cpu_features_cache_info.h"],
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copts = C99_FLAGS,
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deps = [":cpu_features_macros"],
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)
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cc_library(
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name = "bit_utils",
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hdrs = ["include/internal/bit_utils.h"],
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copts = C99_FLAGS,
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deps = [":cpu_features_macros"],
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)
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cc_test(
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name = "bit_utils_test",
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srcs = ["test/bit_utils_test.cc"],
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copts = CC_FLAGS,
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deps = [
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":bit_utils",
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"@com_google_googletest//:gtest_main",
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],
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)
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cc_library(
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name = "memory_utils",
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copts = C99_FLAGS,
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textual_hdrs = [
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"src/copy.inl",
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"src/equals.inl",
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],
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)
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cc_library(
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name = "string_view",
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srcs = [
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"src/string_view.c",
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],
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hdrs = ["include/internal/string_view.h"],
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copts = C99_FLAGS,
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deps = [
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":cpu_features_macros",
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":memory_utils",
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],
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)
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cc_test(
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name = "string_view_test",
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srcs = ["test/string_view_test.cc"],
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copts = CC_FLAGS,
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deps = [
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":string_view",
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"@com_google_googletest//:gtest_main",
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],
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)
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cc_library(
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name = "filesystem",
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srcs = ["src/filesystem.c"],
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hdrs = ["include/internal/filesystem.h"],
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copts = C99_FLAGS,
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deps = [":cpu_features_macros"],
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)
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cc_library(
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name = "filesystem_for_testing",
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testonly = 1,
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srcs = [
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"src/filesystem.c",
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"test/filesystem_for_testing.cc",
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],
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hdrs = [
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"include/internal/filesystem.h",
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"test/filesystem_for_testing.h",
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],
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copts = CC_FLAGS,
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defines = ["CPU_FEATURES_MOCK_FILESYSTEM"],
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deps = [
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":cpu_features_macros",
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],
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)
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cc_library(
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name = "stack_line_reader",
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srcs = ["src/stack_line_reader.c"],
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hdrs = ["include/internal/stack_line_reader.h"],
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copts = C99_FLAGS,
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defines = ["STACK_LINE_READER_BUFFER_SIZE=1024"],
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deps = [
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":cpu_features_macros",
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":filesystem",
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":string_view",
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],
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)
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cc_test(
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name = "stack_line_reader_test",
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srcs = [
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"include/internal/stack_line_reader.h",
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"src/stack_line_reader.c",
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"test/stack_line_reader_test.cc",
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],
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copts = CC_FLAGS,
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defines = ["STACK_LINE_READER_BUFFER_SIZE=16"],
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deps = [
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":cpu_features_macros",
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":filesystem_for_testing",
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":string_view",
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"@com_google_googletest//:gtest_main",
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],
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)
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cc_library(
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name = "stack_line_reader_to_use_with_filesystem_for_testing",
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testonly = 1,
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srcs = ["src/stack_line_reader.c"],
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hdrs = ["include/internal/stack_line_reader.h"],
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copts = C99_FLAGS,
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defines = ["STACK_LINE_READER_BUFFER_SIZE=1024"],
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deps = [
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":cpu_features_macros",
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":filesystem_for_testing",
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":string_view",
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],
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)
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cc_library(
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name = "hwcaps",
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srcs = ["src/hwcaps.c"],
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hdrs = ["include/internal/hwcaps.h"],
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copts = C99_FLAGS,
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defines = ["HAVE_STRONG_GETAUXVAL"],
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deps = [
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":cpu_features_macros",
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":filesystem",
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":string_view",
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],
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)
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cc_library(
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name = "hwcaps_for_testing",
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testonly = 1,
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srcs = [
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"src/hwcaps.c",
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"test/hwcaps_for_testing.cc",
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],
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hdrs = [
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"include/internal/hwcaps.h",
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"test/hwcaps_for_testing.h",
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],
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copts = CC_FLAGS,
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defines = [
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"CPU_FEATURES_MOCK_GET_ELF_HWCAP_FROM_GETAUXVAL",
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"CPU_FEATURES_TEST",
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],
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deps = [
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":cpu_features_macros",
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":filesystem_for_testing",
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":string_view",
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],
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)
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cc_library(
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name = "cpuinfo",
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srcs = selects.with_or({
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PLATFORM_CPU_X86_64: [
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"src/impl_x86_freebsd.c",
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"src/impl_x86_linux_or_android.c",
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"src/impl_x86_macos.c",
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"src/impl_x86_windows.c",
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],
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PLATFORM_CPU_ARM: ["src/impl_arm_linux_or_android.c"],
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PLATFORM_CPU_ARM64: ["src/impl_aarch64_linux_or_android.c"],
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PLATFORM_CPU_MIPS: ["src/impl_mips_linux_or_android.c"],
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PLATFORM_CPU_PPC: ["src/impl_ppc_linux.c"],
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}),
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hdrs = selects.with_or({
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PLATFORM_CPU_X86_64: [
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"include/cpuinfo_x86.h",
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"include/internal/cpuid_x86.h",
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],
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PLATFORM_CPU_ARM: ["include/cpuinfo_arm.h"],
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PLATFORM_CPU_ARM64: ["include/cpuinfo_aarch64.h"],
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PLATFORM_CPU_MIPS: ["include/cpuinfo_mips.h"],
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PLATFORM_CPU_PPC: ["include/cpuinfo_ppc.h"],
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}),
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copts = C99_FLAGS,
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textual_hdrs = selects.with_or({
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PLATFORM_CPU_X86_64: ["src/impl_x86__base_implementation.inl"],
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"//conditions:default": [],
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}) + [
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"src/define_introspection.inl",
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"src/define_introspection_and_hwcaps.inl",
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],
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deps = [
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":bit_utils",
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":cpu_features_cache_info",
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":cpu_features_macros",
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":filesystem",
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":hwcaps",
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":memory_utils",
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":stack_line_reader",
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":string_view",
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],
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)
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cc_library(
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name = "cpuinfo_for_testing",
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testonly = 1,
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srcs = selects.with_or({
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PLATFORM_CPU_X86_64: [
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"src/impl_x86_freebsd.c",
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"src/impl_x86_linux_or_android.c",
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"src/impl_x86_macos.c",
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"src/impl_x86_windows.c",
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],
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PLATFORM_CPU_ARM: ["src/impl_arm_linux_or_android.c"],
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PLATFORM_CPU_ARM64: ["src/impl_aarch64_linux_or_android.c"],
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PLATFORM_CPU_MIPS: ["src/impl_mips_linux_or_android.c"],
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PLATFORM_CPU_PPC: ["src/impl_ppc_linux.c"],
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}),
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hdrs = selects.with_or({
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PLATFORM_CPU_X86_64: [
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"include/cpuinfo_x86.h",
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"include/internal/cpuid_x86.h",
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],
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PLATFORM_CPU_ARM: ["include/cpuinfo_arm.h"],
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PLATFORM_CPU_ARM64: ["include/cpuinfo_aarch64.h"],
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PLATFORM_CPU_MIPS: ["include/cpuinfo_mips.h"],
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PLATFORM_CPU_PPC: ["include/cpuinfo_ppc.h"],
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}),
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copts = C99_FLAGS,
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defines = selects.with_or({
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PLATFORM_CPU_X86_64: ["CPU_FEATURES_MOCK_CPUID_X86"],
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"//conditions:default": [],
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}),
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textual_hdrs = selects.with_or({
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PLATFORM_CPU_X86_64: ["src/impl_x86__base_implementation.inl"],
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"//conditions:default": [],
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}) + [
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"src/define_introspection.inl",
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"src/define_introspection_and_hwcaps.inl",
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],
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deps = [
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":bit_utils",
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":cpu_features_cache_info",
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":cpu_features_macros",
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":filesystem_for_testing",
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":hwcaps_for_testing",
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":memory_utils",
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":stack_line_reader_to_use_with_filesystem_for_testing",
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":string_view",
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],
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)
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cc_test(
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name = "cpuinfo_test",
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srcs = selects.with_or({
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PLATFORM_CPU_ARM64: ["test/cpuinfo_aarch64_test.cc"],
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PLATFORM_CPU_ARM: ["test/cpuinfo_arm_test.cc"],
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PLATFORM_CPU_MIPS: ["test/cpuinfo_mips_test.cc"],
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PLATFORM_CPU_PPC: ["test/cpuinfo_ppc_test.cc"],
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PLATFORM_CPU_X86_64: ["test/cpuinfo_x86_test.cc"],
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}),
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copts = CC_FLAGS,
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deps = [
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":cpuinfo_for_testing",
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":filesystem_for_testing",
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":hwcaps_for_testing",
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":string_view",
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"@com_google_googletest//:gtest_main",
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],
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)
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cc_binary(
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name = "list_cpu_features",
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srcs = ["src/utils/list_cpu_features.c"],
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copts = C99_FLAGS,
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deps = [
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":bit_utils",
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":cpu_features_macros",
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":cpuinfo",
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],
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)
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23
WORKSPACE
Normal file
23
WORKSPACE
Normal file
@ -0,0 +1,23 @@
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workspace(name = "com_google_cpufeatures")
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load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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http_archive(
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name = "com_google_googletest",
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sha256 = "269cebe2be1f607f91f52630ff5bec3275b948c65d4bac323ebd05e90d84f7a9",
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strip_prefix = "googletest-e2239ee6043f73722e7aa812a459f54a28552929",
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urls = ["https://github.com/google/googletest/archive/e2239ee6043f73722e7aa812a459f54a28552929.zip"],
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)
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http_archive(
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name = "bazel_skylib",
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sha256 = "c6966ec828da198c5d9adbaa94c05e3a1c7f21bd012a0b29ba8ddbccb2c93b0d",
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urls = [
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"https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.1.1/bazel-skylib-1.1.1.tar.gz",
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"https://github.com/bazelbuild/bazel-skylib/releases/download/1.1.1/bazel-skylib-1.1.1.tar.gz",
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],
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)
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load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
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bazel_skylib_workspace()
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11
bazel/platforms.bzl
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11
bazel/platforms.bzl
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"""Defines global variables that lists target cpus"""
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PLATFORM_CPU_X86_64 = ("@platforms//cpu:x86_64")
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PLATFORM_CPU_ARM = ("@platforms//cpu:arm")
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PLATFORM_CPU_ARM64 = ("@platforms//cpu:arm64")
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PLATFORM_CPU_MIPS = ("@platforms//cpu:mips64")
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PLATFORM_CPU_PPC = ("@platforms//cpu:ppc")
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